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Answer:
Railroads brought rapid expansion of people, business, and cities across the state. ... Because railroads enabled farmers and ranchers to transport their products more efficiently, by the turn of the century Texas had become a leading producer of both cattle and cotton.
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Answer:
B.học sinh có thể tham gia mọi hoạt động phòng,chống tệ nạn xã hội phù hợp vs lứa tuổi
Answer:
One similarity from ancient Rome and our government is the Senate. For example a senator is a person from the government in Rome that is also in the modern government. Our Senators for the state of California are Barbara Boxer and Dianne Feinstein. A senator in the United States acts as a representative in Congress.
Explanation:
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Cross sectional studies is the correct answer.
Cross-sectional research is used to examine participants' behaviors of different ages at one point in time. These studies are useful for a variety of reasons: data collection can be proceeded rapidly, the cost is a lot lower than a logitudinal research since there is no need to keep contact and follow-up with participants as time passes, and because of that practice effects are not a problem. On the other hand, the principal limitation of this research is that the results produce information regarding age-related change, instead of development per se.
